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Denso 221-3511 Radiator
Overview of Denso Radiator for Mazda 6
The Denso radiator part number 221-3511 is engineered specifically for the Mazda 6, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports efficient engine temperature regulation.
- Core Height: 14.875 inches
- Core Width: 29.000 inches
- Core Thickness: 1.000 inch
- Inlet Diameter: 1.25 inches
- Outlet Diameter: 1.25 inches
- Includes Transmission Oil Cooler
Detailed Product Description
This Denso radiator (part number 221-3511) features a core height of 14.875 inches and a width of 29 inches, with a thickness of 1 inch, ensuring optimal heat dissipation for the Mazda 6. The radiator includes both inlet and outlet diameters of 1.25 inches, matching factory specifications for seamless installation. Additionally, the integrated transmission oil cooler enhances the cooling system by maintaining transmission fluid temperature, which is critical for vehicle performance and longevity.
Compatible Vehicles and Applications
This radiator is compatible with Mazda 6 models requiring a direct replacement radiator with transmission oil cooler integration. It is designed to address common cooling system issues such as overheating, coolant leaks, and transmission fluid overheating.
- Overheating engine due to radiator inefficiency
- Coolant leaks from damaged or corroded radiator cores
- Transmission fluid overheating affecting transmission performance
- Reduced cooling capacity from clogged or worn radiators
Installation Notes and Tips
When installing the Denso 221-3511 radiator on a Mazda 6, ensure all hose connections match the 1.25-inch inlet and outlet diameters. Properly flush the cooling system before installation to prevent contamination. Verify the transmission oil cooler lines are securely connected to avoid leaks. Follow manufacturer torque specifications for mounting bolts to prevent damage.
Quality Assurance and Warranty
Denso radiators are manufactured to meet or exceed OEM standards, ensuring durability and performance. The 221-3511 radiator undergoes rigorous quality control testing. Warranty coverage details should be confirmed with the distributor or manufacturer, typically including protection against defects in materials and workmanship.
| Brand | Denso |
| Part Number | 221-3511 |
| Core Height | 14.8750 |
| Core Thickness | 1.0000 |
| Core Width | 29.0000 |
| Inlet Diameter | 1.2500 |
| Outlet Diameter | 1.2500 |
| Transmission Oil Cooler Included | YES |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Transmission | Position | Notes |
|---|---|---|---|---|---|
| 2005 | Mazda | 6 | Automatic | N/A | |
| 2004 | Mazda | 6 | Automatic | N/A | |
| 2003 | Mazda | 6 | Automatic | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.